15125020313 has 16 divisors (see below), whose sum is σ = 16413216960. Its totient is φ = 13854874176.

The previous prime is 15125020303. The next prime is 15125020349. The reversal of 15125020313 is 31302052151.

It is a happy number.

It is not a de Polignac number, because 15125020313 - 2⁴ = 15125020297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15125020303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1748906 + ... + 1757532.

It is an arithmetic number, because the mean of its divisors is an integer number (1025826060).

Almost surely, 2^15125020313 is an apocalyptic number.

15125020313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15125020313 is a deficient number, since it is larger than the sum of its proper divisors (1288196647).

15125020313 is a wasteful number, since it uses less digits than its factorization.

15125020313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9656.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 15125020313 its reverse (31302052151), we get a palindrome (46427072464).

The spelling of 15125020313 in words is "fifteen billion, one hundred twenty-five million, twenty thousand, three hundred thirteen".